Re: Replacement question
- To: mathgroup at smc.vnet.net
- Subject: [mg74208] Re: Replacement question
- From: dh <dh at metrohm.ch>
- Date: Wed, 14 Mar 2007 03:52:44 -0500 (EST)
- References: <et5nnh$jhk$1@smc.vnet.net>
Hi Brian,
this works, but what is matched is the FullForm and not what you see.
Therefore, look at your expression using FullForm.
Daniel
Brian Beckage wrote:
> I apologize for this very basic question. I understand how to use /.
> {} to replace a variable with a more complex expression, e.g., x->
> y+z. Can one move in the opposite direction to replace all
> occurrences of y+z with x? myExpression/.{y+z->x} does not seem to
> work.
>
> Thank you for your help,
> Brian
>
>
>